Tri-hull boat



FIG. 1 is a perspective viewed of the boat hull view from the front right corner showing my invention;

FIG. 2 is a front elevational view of the boat hull shown in FIG. 1;

FIG. 3 is the rear elevational view of the boat hull shown in FIG. 1;

FIG. 4 is a side elevational view of the left side of the boat hull shown in FIG. 3, the right side of the boat hull being a mirror view of the left side;

FIG. 5 is a top plan view of the boat hull showing my invention; and,

FIG. 6 is a bottom plan view of the boat hull showing my invention. 

The ornamental design for a tri-hull boat, as shown and described. 